Question 43

Q44Multiple choice

Match the correct ionisation enthalpies and electron gain enthalpies of the following elements. Elements ∆ H1 ∆ H2 ∆ eg H

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(ii) Most reactive metal B. 1681 3374 – 328

(i) Most reactive non metal A. 419 3051 – 48

(iv) Metal forming binary halide D. 2372 5251 + 48

(iii) Least reactive element C. 738 1451 – 40